Campag with Shimano? Am I imagining it?

I have a set of Dura Ace wheels with Shimano Ultegra cassette, recently purhcased a Bianchi which has Campag 10spd. I just put the Dura Ace's on the Bianchi and the Campag shifter shifts the chain without probs, have not ridden it just static. Is this correct? Could I use the wheels on the Bianchi?
Colnago C60 SRAM eTap, Colnago C40, Milani 107E, BMC Pro Machine, Trek Madone, Viner Gladius,
Bizango 29er
Bizango 29er
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Dennis Noward
Ambrosio actually make Campag spaced cassettes that fit a Shimano freehub, available from Surosa cycles.
Fail to prepare, prepare to fail
Hills are just a matter of pace
Bizango 29er
it's a hard life if you don't weaken.
Using which shifters etc.
I have run 10 speed campag shifters with a shimano mech and 9 sped block, the only thing was that I had to turn the washer on the mech 90 degrees before clamping the cable.
Fail to prepare, prepare to fail
Hills are just a matter of pace
No change to the derailleurs or cable clamp - the rear mech's "mm of movement" per click is the same fro C10 as S9.
You only run into trouble if mixing S10 and C10 or C9 and S9.
C10 and S9 are identical spacing. The last click just doesn't get used, as the cable's already fully tight.